JP2000318943A - Brake releasing device for elevator winder - Google Patents
Brake releasing device for elevator winderInfo
- Publication number
- JP2000318943A JP2000318943A JP11124857A JP12485799A JP2000318943A JP 2000318943 A JP2000318943 A JP 2000318943A JP 11124857 A JP11124857 A JP 11124857A JP 12485799 A JP12485799 A JP 12485799A JP 2000318943 A JP2000318943 A JP 2000318943A
- Authority
- JP
- Japan
- Prior art keywords
- arm
- brake
- handle member
- elevator
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、エレベータ巻上機
のブレーキ解放装置の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a brake release device for an elevator hoist.
【０００２】[0002]
【従来の技術】つるべ式エレベータの巻上機には、停電
等により動力が遮断されたとき、安全上、電動機の回転
を自動的に制止させ、乗りかごを直ちに停止させる電磁
ブレーキが設けられている。また、その電磁ブレーキに
は、その停止した乗りかご内の乗客を救出するため、作
動した電磁ブレーキを解放させるブレーキ解放装置が接
続されている。2. Description of the Related Art A hoisting machine of a hanging elevator is provided with an electromagnetic brake for automatically stopping rotation of an electric motor and immediately stopping a car when power is cut off due to a power failure or the like. I have. Further, a brake release device for releasing the activated electromagnetic brake is connected to the electromagnetic brake in order to rescue a passenger in the stopped car.
【０００３】電磁ブレーキの作動により停止した乗りか
ご内から乗客を救出するため、作業員は、機械室内にお
いて、電動機軸にターニングハンドル（ｔｕｒｎｉｎｇ
ｈｕｎｄｌｅ）を取り付け、ブレーキ解放装置の解放
レバーを操作して電磁ブレーキを少しずつ緩めながらタ
ーニングハンドルを回し、乗りかごを最寄り階までゆっ
くり昇降移動させ着床・戸開を行っていた。In order to rescue passengers from a car stopped by the operation of an electromagnetic brake, a worker turns a turning handle on a motor shaft in a machine room.
Huntle), turning the turning handle while gradually releasing the electromagnetic brake by operating the release lever of the brake release device, slowly moving the car up and down to the nearest floor, and landing and opening the door.
【０００４】このような電動機が停止し電磁ブレーキが
作動した状態から、ブレーキ解放装置の解放レバーを操
作しての昇降移動操作は、エレベータの保守・点検等に
際しても行われる。[0004] From such a state that the electric motor is stopped and the electromagnetic brake is actuated, an ascending and descending operation by operating a release lever of a brake release device is also performed at the time of maintenance and inspection of an elevator.
【０００５】図５及び図６は、従来のエレベータ巻上機
のブレーキ解放装置を示すもので、図５（ａ）に示した
ように、電磁ブレーキ１にはブレーキレバー２が取り付
けられており、電磁ブレーキ１を遠隔操作するために、
コントロールワイヤ３が中継滑車３ａに案内されつつブ
レーキレバー２と解放レバー４との間に接続されてい
る。FIGS. 5 and 6 show a conventional brake releasing device for an elevator hoisting machine. As shown in FIG. 5 (a), a brake lever 2 is attached to an electromagnetic brake 1; To remotely control the electromagnetic brake 1,
The control wire 3 is connected between the brake lever 2 and the release lever 4 while being guided by the relay pulley 3a.
【０００６】解放レバー４は、図６（ａ）の平面図、及
び図６（ｂ）の断面図にも示すように、コントロールワ
イヤ３が箱状の枠体４１の一側面に設けられた径大な孔
４１ａを通して内側に引き込まれ、くの字状の作動レバ
ー４２の一端部に接続されて構成されている。As shown in the plan view of FIG. 6A and the sectional view of FIG. 6B, the release lever 4 has a diameter in which the control wire 3 is provided on one side surface of a box-shaped frame 41. It is drawn inward through a large hole 41a, and is connected to one end of a U-shaped operating lever 42.
【０００７】その作動レバー４２は枠体４１に設けた支
軸（支点）４１ｂに回動自在に取り付けられており、枠
体４１からはみ出した作動レバー４２の把手部４２ａの
図５（ａ）及び図６（ｂ）に示す矢印Ｙ方向への押し込
み操作により、作動レバー４２は図６（ｃ）の状態とな
るが、このときコントロールワイヤ３は矢印Ｘ方向に引
っ張られ必要なストローク長が得られる。The operating lever 42 is rotatably attached to a support shaft (fulcrum) 41b provided on the frame 41, and the handle 42a of the operating lever 42 protruding from the frame 41 is shown in FIG. By the pushing operation in the direction of arrow Y shown in FIG. 6B, the operating lever 42 is brought into the state of FIG. 6C. At this time, the control wire 3 is pulled in the direction of arrow X to obtain a necessary stroke length. .
【０００８】一方、乗りかご停止時の電磁ブレーキ１
は、図５（ａ）に示すように、不図示のばねにより可動
鉄心１ａが常に固定鉄心１ｂ方向に付勢されており、可
動鉄心１ａと固定鉄心１ｂとの間に設けられたブレーキ
シュー１ｃをロックするように構成されている。On the other hand, the electromagnetic brake 1 when the car is stopped
As shown in FIG. 5 (a), the movable iron core 1a is always urged in the direction of the fixed iron core 1b by a spring (not shown), and the brake shoe 1c provided between the movable iron core 1a and the fixed iron core 1b. It is configured to lock.
【０００９】ブレーキシュー１ｃは、巻上機のモータ回
転軸や減速機の歯車軸等の駆動軸１ｄとスプライン嵌合
しており、この状態で作業員による解放レバー４の操作
によりブレーキレバー２が引っ張られると、図５（ｂ）
に示すように、電磁ブレーキ１のブレーキレバー２は、
てこ（梃）の原理により支点２ａを中心に回動するの
で、可動鉄心１ａのつめ１ａａを介して可動鉄心１ａは
押し下げられ、電磁ブレーキ１のギャップ１ｅは閉じら
れる。その結果、回転軸１ｄとスプライン嵌合している
ライニング１ｃが回転可能となり、電磁ブレーキ１のロ
ック状態は解除される。The brake shoe 1c is spline-fitted to a drive shaft 1d such as a motor shaft of a hoist and a gear shaft of a speed reducer. In this state, the brake lever 2 is operated by an operator operating the release lever 4. When pulled, FIG. 5 (b)
As shown in the figure, the brake lever 2 of the electromagnetic brake 1
Since the arm rotates around the fulcrum 2a by the principle of leverage, the armature 1a is pushed down via the claw 1aa of the armature 1a, and the gap 1e of the electromagnetic brake 1 is closed. As a result, the lining 1c spline-fitted to the rotating shaft 1d becomes rotatable, and the locked state of the electromagnetic brake 1 is released.
【００１０】このように、エレベータ巻上機の電磁ブレ
ーキ２ａの解放は、作業員が昇降路上の機械室内に格納
された解放レバー４の操作により行われていた。As described above, the release of the electromagnetic brake 2a of the elevator hoist has been performed by the operator operating the release lever 4 stored in the machine room on the hoistway.
【００１１】[0011]
【発明が解決しようとする課題】上述のように、従来の
エレベータ巻上機のブレーキ解放装置では、解放レバー
４は、枠体４１からはみ出した把手部４２ａを押し下げ
るように構成され、作業員はその解放レバーを機械室内
において操作していた。As described above, in the conventional brake release device for an elevator hoist, the release lever 4 is configured to push down the handle portion 42a protruding from the frame 41, and the operator is required to The release lever was operated in the machine room.
【００１２】しかしながら、最近設置されるようになっ
てきた機械室レスエレベータにおいては、省スペース等
の観点から文字どおり機械室を備えていないため、解放
レバーもできるだけ小形化されることが要望されてい
る。特に従来の解放レバー４は、把手部４２ａが枠体か
らはみ出した構造を有するので、この構造をそのまま採
用すると格納場所での制約されたスペース寸法内に収ま
らないという問題が生じている。However, in a machine room-less elevator that has recently been installed, since the machine room is not provided literally from the viewpoint of saving space, the release lever is required to be as small as possible. . In particular, since the conventional release lever 4 has a structure in which the handle portion 42a protrudes from the frame, if this structure is employed as it is, there is a problem that it does not fit within the restricted space size of the storage location.
【００１３】そこで、本発明は、解放レバー４を狭い場
所にも収納できるエレベータ巻上機のブレーキ解放装置
を提供することを目的とする。Accordingly, an object of the present invention is to provide a brake release device for an elevator hoist capable of storing the release lever 4 in a narrow place.
【００１４】[0014]
【課題を解決するための手段】上記従来の課題を解決す
るため、請求項１に記載の発明によるエレベータ巻上機
のブレーキ解放装置は、電磁ブレーキのブレーキレバー
に一端が接続されたコントロールワイヤと、このコント
ロールワイヤの他端が、長さ方向の一方に接続され、中
間部の支点を中心にして回動するアームと、このアーム
の長さ方向の他方に、アームの長さ方向に交差する方向
に着脱自在に設けられ、前記支点を軸にアームを回動さ
せる棒状の把手部材とを具備することを特徴とする。According to a first aspect of the present invention, there is provided a brake release device for an elevator hoist, comprising: a control wire having one end connected to a brake lever of an electromagnetic brake; The other end of the control wire is connected to one end in the length direction, and the arm pivots around a fulcrum at an intermediate portion, and crosses the other end of the arm in the length direction of the arm. And a rod-shaped handle member that is provided so as to be detachable in the direction and rotates the arm around the fulcrum.
【００１５】このように、請求項１記載のエレベータ巻
上機のブレーキ解放装置は、コントロールワイヤの他端
が接続されて回動するアームに、棒状の解放レバーが着
脱自在に設けられ、ブレーキ解放装置を使用するときの
み解放レバーをアームに取り付け使用するので、解放レ
バーの収納容積は小さくて済み、機械室レスエレベータ
に採用することができる。As described above, in the brake release device for an elevator hoist according to the first aspect, the bar-shaped release lever is removably provided on the arm that is pivotally connected to the other end of the control wire, and the brake is released. Since the release lever is attached to the arm and used only when the device is used, the storage volume of the release lever can be small, and the release lever can be used in a machine room-less elevator.
【００１６】請求項２に記載の発明は、請求項１記載の
エレベータ巻上機のブレーキ解放装置において、アーム
は、把手部材の端部が着脱自在に嵌め込まれる凹部を設
けたことを特徴とする。According to a second aspect of the present invention, in the brake release device for an elevator hoist according to the first aspect, the arm is provided with a concave portion into which an end of the handle member is detachably fitted. .
【００１７】このように、請求項２に記載の発明によれ
ば、アームに凹部を設けたので、把手部材の着脱が容易
となり、請求項１記載の発明の作用に加えて、作業員に
よるブレーキ解放操作が容易となる。As described above, according to the second aspect of the present invention, since the concave portion is provided on the arm, the handle member can be easily attached and detached, and in addition to the operation of the first aspect, the brake by the operator can be provided. Release operation becomes easy.
【００１８】請求項３に記載の発明は、請求項１または
２に記載のエレベータ巻上機のブレーキ解放装置におい
て、棒状の把手部材は、支点を設けた枠体にアームの長
さ方向に平行して着脱自在に取り付けたことを特徴とす
る。According to a third aspect of the present invention, in the brake release device for an elevator hoist according to the first or second aspect, the rod-shaped handle member is parallel to a frame provided with a fulcrum in the longitudinal direction of the arm. And detachably attached.
【００１９】このように、請求項３に記載の発明によれ
ば、棒状の把手部材をアームの長さ方向に平行するよう
枠体に着脱自在に取り付けたので、請求項１または２に
記載の各発明の作用に加えて、装置全体の小形化が確保
されつつ把手部材が一体に取り付けられるので、保管管
理を確実とすることができる。According to the third aspect of the present invention, the rod-shaped handle member is detachably attached to the frame so as to be parallel to the length direction of the arm. In addition to the operation of each invention, since the handle member is integrally attached while ensuring the miniaturization of the entire apparatus, storage management can be ensured.
【００２０】さらに、請求項４に記載の発明は、請求項
１ないし請求項３のうちのいずれか１項に記載のエレベ
ータ巻上機のブレーキ解放装置において、アームは、連
結部材により枠体に固定自在に構成されたことを特徴と
する。According to a fourth aspect of the present invention, in the brake release device for an elevator hoist according to any one of the first to third aspects, the arm is connected to the frame by a connecting member. It is characterized in that it can be fixed freely.
【００２１】このように、請求項４に記載の発明によれ
ば、アームと枠体とは、連結部材により固定自在に構成
されたので、請求項１ないし請求項３の各対応する発明
の作用に加えて、不使用時における装置の誤動作を防止
することができる。As described above, according to the fourth aspect of the present invention, the arm and the frame are configured to be freely fixed by the connecting member, so that the operation of the corresponding inventions of the first to third aspects is achieved. In addition, malfunction of the device when not in use can be prevented.
【００２２】[0022]
【発明の実施の形態】以下、本発明によるエレベータ巻
上機のブレーキ解放装置の一実施の形態を図１ないし図
４を参照して詳細に説明する。なお、図５及び図６に示
した従来の装置と同一構成には同一符号を付して詳細な
説明は省略する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a brake release device for an elevator hoist according to the present invention will be described in detail with reference to FIGS. Note that the same components as those of the conventional device shown in FIGS. 5 and 6 are denoted by the same reference numerals, and detailed description is omitted.
【００２３】図１（ａ）は本発明によるエレベータ巻上
機のブレーキ解放装置の第１の実施の形態における解放
レバ一４を示す要部平面図、図１（ｂ）は図１（ａ）の
Ａ−Ａ断面図である。FIG. 1 (a) is a plan view of a main part showing a release lever 4 in a first embodiment of a brake release device for an elevator hoist according to the present invention, and FIG. 1 (b) is FIG. 1 (a). It is AA sectional drawing of.
【００２４】すなわち、図１（ａ）において、解放レバ
ー４は、箱状の枠体４１内の支軸４１ｂを中心に回動可
能なアーム（腕）４３と、そのアーム４３の一端に取り
付けられたコントロールワイヤ３と、アーム４３の他端
部に着脱自在に設けられた棒状の把手部材４４とから構
成されている。That is, in FIG. 1A, the release lever 4 is attached to an arm (arm) 43 rotatable about a support shaft 41b in a box-shaped frame 41 and one end of the arm 43. The control wire 3 includes a control wire 3 and a rod-shaped handle member 44 detachably attached to the other end of the arm 43.
【００２５】そして、アーム４３と棒状の把手部材４４
とは、図１（ｂ）にも示すように、アーム４３の上面に
開口した凹部４３ａに、棒状の把手部材４４の下端部が
嵌め込まれるので、棒状の把手部材４４はアーム４３の
長さ方向に交差し、この実施の形態では略直交して、着
脱自在となるように設けられている。The arm 43 and the rod-shaped handle member 44
1B, as shown in FIG. 1B, the lower end of the rod-shaped handle member 44 is fitted into a concave portion 43a opened on the upper surface of the arm 43. In this embodiment, they are provided so as to be detachable.
【００２６】従って作業員は、図１（ｂ）に示すよう
に、把手部材４４をアーム４３の凹部４３ａに嵌め込
み、図示矢印Ｙ方向に回動させることにより、図示破線
で示す位置にアーム４３及び把手部材４４が回動する
と、てこの原理によりコントロールワイヤ３は矢印Ｘ方
向に引っ張られ、必要とするストローク長さが得られ
て、従来と同様に電磁ブレーキ１はロック状態から解放
される。Therefore, as shown in FIG. 1B, the worker fits the handle member 44 into the concave portion 43a of the arm 43 and rotates it in the direction indicated by the arrow Y in FIG. When the handle member 44 rotates, the control wire 3 is pulled in the direction of the arrow X by the leverage principle, a required stroke length is obtained, and the electromagnetic brake 1 is released from the locked state as in the related art.
【００２７】上記のように、この第１の実施の形態によ
れば、解放レバー４を把手部材４４がアーム４３に脱着
可能な組立構造としたので、不使用時の格納に際して
は、把手部材４４の取り外しが可能となり、従来のよう
にはみ出し部分がなくなる。その結果、解放レバーの収
納容積は小さくて済み、例えば薄型巻上機が取り付けら
れたガイドレール近くの昇降路壁面等、限られた狭い空
間内に格納することができる。As described above, according to the first embodiment, the release lever 4 has an assembly structure in which the handle member 44 can be attached to and detached from the arm 43. Can be removed, and there is no protruding portion as in the related art. As a result, the storage volume of the release lever can be small, and the release lever can be stored in a limited narrow space such as a hoistway wall near a guide rail to which the thin hoist is attached.
【００２８】また、この実施の形態によれば、アーム４
３の長さ方向に対して、凹部４３ａの開口向き（角度
θ）を変えることによって、把手部材４４の回動ストロ
ーク長さを変えることができ、よってコントロールワイ
ヤ３のストローク長をブレーキ解放の効き具合に併せて
設定することができる。According to this embodiment, the arm 4
By changing the opening direction (angle θ) of the concave portion 43 a with respect to the length direction of the control member 3, the rotation stroke length of the handle member 44 can be changed, and thus the stroke length of the control wire 3 can be reduced by the brake release effect. It can be set according to the condition.
【００２９】上記第１の実施の形態では、把手部材４４
を単にアーム４３の凹部４３ａに嵌め込まれる棒状体と
したが、作業員のブレーキ解放操作時に把手部材４４が
容易に凹部４３ａから外れることがないように、把手部
材４４の端部に雄ねじを形成した例えば六角ボルトを使
用し、雌ねじを形成した凹部４３ａと螺合するように構
成することもできる。In the first embodiment, the handle member 44
Is simply a rod-shaped body fitted into the concave portion 43a of the arm 43, but an external thread is formed at the end of the handle member 44 so that the handle member 44 does not easily come off the concave portion 43a when the operator releases the brake. For example, it is also possible to use a hexagonal bolt and screw it into the recess 43a formed with a female screw.
【００３０】すなわち、図２（ａ）は本発明の第２の実
施の形態のエレベータ巻上機のブレーキ解放装置の平面
図で、図２（ｂ）は図２（ａ）のＡ−Ａ断面図である。FIG. 2A is a plan view of a brake release device for an elevator hoist according to a second embodiment of the present invention, and FIG. 2B is a cross-sectional view taken along the line AA of FIG. FIG.
【００３１】図２（ａ）及び（ｂ）に示すように、解放
レバー４は把手部材４４に六角ボルトを採用し、六角ボ
ルトの端部外周面に形成された雄ねじ部４４ａが、アー
ム４３において内周に雌ねじを形成した凹部４３ａにね
じ込まれるように構成した。As shown in FIGS. 2A and 2B, the release lever 4 employs a hexagonal bolt for the handle member 44, and a male screw portion 44a formed on the outer peripheral surface of the end of the hexagonal bolt is provided on the arm 43. It was configured to be screwed into a concave portion 43a having a female screw formed on the inner periphery.
【００３２】この結果、把手部材４４がアーム４３に着
脱自在であると同時に、把手部材４４はアーム４３に堅
く取り付けることができるので、作業員は把手部材４４
の回動操作が容易かつ安定する利点がある。As a result, the handle member 44 can be attached to and detached from the arm 43, and at the same time, the handle member 44 can be firmly attached to the arm 43.
There is an advantage that the turning operation of the is easy and stable.
【００３３】この実施の形態では、把手部材４４とアー
ム４３とが螺合するように説明したが、第１の実施の形
態と同様に、雄ねじ部４４ａを形成しないボルトを単に
凹部に嵌め込むようにも構成できる。In this embodiment, the handle member 44 and the arm 43 are described as being screwed together. However, as in the first embodiment, a bolt which does not form the male screw portion 44a is simply fitted into the recess. Can also be configured.
【００３４】次に、上記第２の実施の形態では、把手部
材４４を使用していない状態での把手部材４４は、アー
ム４３を設けた枠体４１とは切り離された状態となる
が、六角ボルト等の雄ねじ部４４ａを利用して、枠体４
１側に設けた雌ねじ孔にねじ込み、把手部材４４が散逸
しないように構成することもできる。Next, in the second embodiment, the handle member 44 in a state where the handle member 44 is not used is separated from the frame body 41 provided with the arm 43. Using the male screw portion 44a such as a bolt, the frame 4
The handle member 44 may be screwed into a female screw hole provided on one side so that the handle member 44 does not escape.
【００３５】すなわち、図３（ａ）は本発明の第３の実
施の形態のエレベータ巻上機のブレーキ解放装置の平面
図で、図３（ｂ）は図３（ａ）の正面図である。FIG. 3A is a plan view of a brake release device for an elevator hoist according to a third embodiment of the present invention, and FIG. 3B is a front view of FIG. 3A. .
【００３６】図３（ａ）及び（ｂ）に示すように、解放
レバー４の枠体４１の手前側の側板４１１の外側に伸延
した端部４１１ａを図示のように９０度曲げ、そこに把
手部材４４の貫通孔を設けるとともに、その貫通孔と同
心円状に六角ボルトの雄ねじ部４４ａが螺合するナット
４５を固着させて構成した。As shown in FIGS. 3 (a) and 3 (b), the end 411a of the release lever 4 extending outward from the side plate 411 on the near side of the frame 41 is bent 90 degrees as shown in FIG. A through-hole for the member 44 is provided, and a nut 45 to which a male screw portion 44a of a hexagonal bolt is screwed is fixed concentrically with the through-hole.
【００３７】その結果、第２の実施の形態と同様に、作
業員は解放レバー４操作時は、把手部材４４をアーム４
３の凹部４３ａに差し込み操作を行うが、操作終了後は
把手部材４４を枠体４１に固定したナット４５にねじ込
み収納するので、把手部材４４の散逸を防ぎ、確実に保
管することができる。As a result, similarly to the second embodiment, when the release lever 4 is operated, the operator moves the handle member 44 to the arm 4.
The grip member 44 is screwed into the nut 45 fixed to the frame 41 and stored after the operation is completed, so that the handle member 44 can be prevented from dissipating and can be securely stored.
【００３８】また、この実施の形態のように、枠体４１
の側板端部４１１ａを９０度折り曲げてナット４５を取
り付けたので、把手部材４４は枠体４１の長さ方向に平
行して装着され、解放レバー４全体をコンパクトに構成
することができる。Further, as in this embodiment, the frame 41
Since the side plate end 411a is bent 90 degrees and the nut 45 is attached, the handle member 44 is mounted in parallel with the length direction of the frame 41, and the entire release lever 4 can be made compact.
【００３９】次に、上記各実施の形態では、アーム４３
は支軸４１ｂに回動自在に設けられているので、アーム
４３が何らかの器材に触れたり、あるいは作業員の誤操
作等により、ブレーキ解放すべきでないときに誤ってコ
ントロールワイヤ３を引いてしまうことも考えられる。Next, in each of the above embodiments, the arm 43
Is rotatably provided on the support shaft 41b, so that the control wire 3 may be erroneously pulled when the brake should not be released due to the arm 43 touching some equipment or an erroneous operation of an operator. Conceivable.
【００４０】そこで、ブレーキ解放操作以外のときに
は、アーム４３が回動することなくロック状態とするこ
とが可能なエレベータ巻上機のブレーキ解放装置の第４
の実施の形態を説明する。Therefore, at times other than the brake release operation, the fourth embodiment of the brake release device of the elevator hoisting machine capable of locking the arm 43 without rotating.
An embodiment will be described.
【００４１】すなわち、図４（ａ）は本発明装置の第４
の実施の形態のエレベータ巻上機のブレーキ解放装置の
解放レバ一４の平面図、図４（ｂ）は図４（ａ）の正面
図である。That is, FIG. 4A shows a fourth embodiment of the present invention.
FIG. 4B is a plan view of the release lever 4 of the brake release device of the elevator hoist of the embodiment, and FIG. 4B is a front view of FIG.
【００４２】すなわち、図４（ａ）及び（ｂ）に示すよ
うに、アーム４３のコントロールワイヤ３側とは反対側
の端部にその長さ方向とは略直角にプレート４３ｂを固
着した。That is, as shown in FIGS. 4 (a) and 4 (b), a plate 43b was fixed to the end of the arm 43 opposite to the control wire 3 side at a right angle to the length direction.
【００４３】そして、第３の実施の形態において、９０
度折り曲げた枠体４１の側板端部４１１ａの貫通孔と同
心円状となる位置に同様な貫通孔を設けると同時に、第
３の実施の形態におけるように、その貫通孔に合わせて
図示のようにナット４５を固着させた。In the third embodiment, 90
A similar through-hole is provided at a position concentric with the through-hole of the side plate end 411a of the frame body 41 bent at the same time, and at the same time, as shown in the third embodiment, The nut 45 was fixed.
【００４４】従って、把手部材４３は第１ないし第３の
各実施の形態と同様に、アーム４３の凹部４３ａに嵌め
込みブレーキ解放操作を行うものであるが、把手部材４
３を使用しないときは、先端部に雄ねじを形成した六角
ボルト等の把手部材４３を枠体４１の側板端部４１１ａ
側の貫通孔から挿入して、プレート４３ｂに固着したナ
ット４５に螺合させるように構成した。Accordingly, the handle member 43 is to be fitted into the concave portion 43a of the arm 43 to perform the brake release operation, as in the first to third embodiments.
3 is not used, a handle member 43 such as a hexagon bolt having a male screw formed at the end is connected to the side plate end 411a of the frame 41.
It was configured to be inserted from the through hole on the side and screwed to a nut 45 fixed to the plate 43b.
【００４５】従って、把手部材４３がナット４５に螺合
させた状態では、把手部材４３を介して、アーム４３に
固定されたプレート４３ｂを枠体４１の側板端部４１１
ａに固定した構成となり、アーム４３は枠体４１にロッ
ク状態となり、アーム４３が誤って回動し、誤作動する
ような不具合発生は回避される。Therefore, when the handle member 43 is screwed into the nut 45, the plate 43 b fixed to the arm 43 is connected to the side plate end 411 of the frame 41 via the handle member 43.
a, the arm 43 is locked to the frame body 41, and the occurrence of a malfunction such as the arm 43 rotating incorrectly and malfunctioning is avoided.
【００４６】なお、この実施の形態においても、枠体４
３に取り付けられる把手部材４４の長さ方向は、枠体４
３の長さ方向と平行となり、解放レバー４全体はコンパ
クトに構成される。In this embodiment, the frame 4
The length direction of the handle member 44 attached to the frame 3 is
3 is parallel to the length direction, and the entire release lever 4 is compact.
【００４７】以上説明のように、本発明によるエレベー
タ巻上機のブレーキ解放装置は、把手部材４４をアーム
４３に着脱自在に構成したので、解放ブレーキ４全体が
よりコンパクトに構成されて、限られた収納容積の空間
内に格納保管することができ、機械室レスエレベータに
採用して実用上大きな効果を得ることができる。As described above, in the brake release device for an elevator hoist according to the present invention, since the handle member 44 is detachably attached to the arm 43, the release brake 4 as a whole is made more compact and limited. It can be stored and stored in a space having a reduced storage volume, and can be used in a machine room-less elevator to obtain a practically great effect.
【００４８】[0048]
【発明の効果】以上説明のように、請求項１記載の発明
によれば、アームの長さ方向に交差する方向に棒状の解
放レバーを着脱自在に設けたので、解放レバーの収納容
積は小さくて済み、機械室レスエレベータに好適であ
る。As described above, according to the first aspect of the present invention, since the bar-shaped release lever is detachably provided in the direction intersecting the length direction of the arm, the storage volume of the release lever is small. It is suitable for a machine room-less elevator.
【００４９】請求項２に記載の発明によれば、アームに
凹部を設けたので、把手部材の着脱が容易となり、請求
項１記載の発明の効果に加えて、作業員によるブレーキ
解放操作が容易となる。According to the second aspect of the present invention, since the concave portion is provided in the arm, the handle member can be easily attached and detached, and in addition to the effect of the first aspect, the brake releasing operation by the operator is easy. Becomes
【００５０】請求項３に記載の発明によれば、棒状の把
手部材をアームの長さ方向に平行するよう枠体に着脱自
在に取り付けたので、請求項１または２に記載の各発明
の効果に加えて、枠体と把手部材とを一体化して保管で
き、散逸を防ぐことがができる。According to the third aspect of the present invention, the rod-shaped handle member is detachably attached to the frame so as to be parallel to the longitudinal direction of the arm. In addition, the frame and the handle member can be integrated and stored, so that dissipation can be prevented.
【００５１】請求項４に記載の発明によれば、アームと
枠体とは、連結部材により固定自在となるよう構成した
ので、請求項１ないし請求項３の各対応する発明の作用
に加えて、不使用時における装置の誤動作を防止するこ
とができる。According to the fourth aspect of the present invention, since the arm and the frame are configured so as to be freely fixed by the connecting member, in addition to the effects of the corresponding inventions of the first to third aspects, In addition, malfunction of the device when not in use can be prevented.
【図１】図１（ａ）は、本発明によるエレベータ巻上機
のブレーキ解放装置の第１の実施の形態を示す解放レバ
ーの平面図、図１（ｂ）は図１（ａ）のＡ−Ａ断面図で
ある。FIG. 1 (a) is a plan view of a release lever showing a first embodiment of a brake release device for an elevator hoist according to the present invention, and FIG. 1 (b) is A in FIG. 1 (a). It is -A sectional drawing.
【図２】図２（ａ）は、本発明によるエレベータ巻上機
のブレーキ解放装置の第２の実施の形態を示す解放レバ
ーの平面図、図２（ｂ）は図２（ａ）のＡ−Ａ断面図で
ある。2 (a) is a plan view of a release lever showing a second embodiment of a brake release device for an elevator hoist according to the present invention, and FIG. 2 (b) is a view A of FIG. 2 (a). It is -A sectional drawing.
【図３】図３（ａ）は、本発明によるエレベータ巻上機
のブレーキ解放装置の第３の実施の形態を示す解放レバ
ーの平面図、図３（ｂ）は図３（ａ）の正面図である。3 (a) is a plan view of a release lever showing a third embodiment of a brake release device for an elevator hoist according to the present invention, and FIG. 3 (b) is a front view of FIG. 3 (a). FIG.
【図４】図４（ａ）は、本発明によるエレベータ巻上機
のブレーキ解放装置の第４の実施の形態を示す解放レバ
ーの平面図、図４（ｂ）は図４（ａ）の正面図である。4 (a) is a plan view of a release lever showing a fourth embodiment of a brake release device for an elevator hoist according to the present invention, and FIG. 4 (b) is a front view of FIG. 4 (a). FIG.
【図５】図５（ａ）は、従来のエレベータ巻上機のブレ
ーキ解放装置の構成図、図５（ｂ）は図５（ａ）におい
て、ブレーキが解放された状態の電磁ブレーキの構成図
である。5 (a) is a configuration diagram of a conventional brake release device for an elevator hoist, and FIG. 5 (b) is a configuration diagram of an electromagnetic brake in a state where the brake is released in FIG. 5 (a). It is.
【図６】図６（ａ）は図５に示す解放レバーの平面図、
図６（ｂ）は図６（ａ）のＡ−Ａ断面図、図６（ｃ）は
図６（ａ）においてブレーキ解放した状態でのＡ−Ａ断
面図である。6 (a) is a plan view of the release lever shown in FIG. 5,
6B is a sectional view taken along the line AA of FIG. 6A, and FIG. 6C is a sectional view taken along the line AA of FIG. 6A with the brake released.
１ 電磁ブレーキ ２ ブレーキレバー ３ コントロールワイヤ ４ 解放レバー ４１ 枠体 ４１ｂ 支軸（支点） ４２ 作動レバー ４３ アーム ４３ａ 凹部 ４４ 把手部材 ４４ａ ねじ部 ４５ ナット REFERENCE SIGNS LIST 1 electromagnetic brake 2 brake lever 3 control wire 4 release lever 41 frame 41 b support shaft (fulcrum) 42 operating lever 43 arm 43 a concave portion 44 handle member 44 a screw portion 45 nut
フロントページの続き (72)発明者 浅見 郁夫 東京都府中市東芝町１番地 株式会社東芝 府中工場内 Ｆターム(参考） 3F304 CA05 CA12 EC10 EC11 3F306 AA02 BA09 Continuation of the front page (72) Inventor Ikuo Asami 1 Toshiba-cho, Fuchu-shi, Tokyo F-term in the Fuchu plant of Toshiba Corporation 3F304 CA05 CA12 EC10 EC11 3F306 AA02 BA09
Claims (4)
接続されたコントロールワイヤと、 このコントロールワイヤの他端が、長さ方向の一方に接
続され、中間部の支点を中心にして回動するアームと、 このアームの長さ方向の他方に、アームの長さ方向に交
差する方向に着脱自在に設けられた棒状の把手部材とを
具備することを特徴とするエレベータ巻上機のブレーキ
解放装置。A control wire having one end connected to a brake lever of the electromagnetic brake; and an arm having the other end connected to one of the length directions and rotating about a fulcrum at an intermediate portion. A brake release device for an elevator hoist, comprising a bar-shaped handle member detachably provided in a direction intersecting the length direction of the arm, at the other end of the length direction of the arm.
脱自在に嵌め込まれる凹部を設けたことを特徴とする請
求項１記載のエレベータ巻上機のブレーキ解放装置。2. The brake releasing device for an elevator hoist according to claim 1, wherein the arm has a concave portion into which an end of the handle member is detachably fitted.
た枠体に前記アームの長さ方向に平行に着脱自在に取り
付けたことを特徴とする請求項１または請求項２に記載
のエレベータ巻上機のブレーキ解放装置。3. The elevator according to claim 1, wherein the rod-shaped handle member is detachably attached to a frame provided with the fulcrum in parallel with a length direction of the arm. Hoisting machine brake release device.
に固定自在に構成されたことを特徴とする請求項１ない
し請求項３のうちのいずれか１項に記載のエレベータ巻
上機のブレーキ解放装置。4. The brake according to claim 1, wherein the arm is configured to be fixed to the frame by a connecting member. Release device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12485799A JP4291457B2 (en) | 1999-04-30 | 1999-04-30 | Brake release device for elevator hoisting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12485799A JP4291457B2 (en) | 1999-04-30 | 1999-04-30 | Brake release device for elevator hoisting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000318943A true JP2000318943A (en) | 2000-11-21 |
| JP4291457B2 JP4291457B2 (en) | 2009-07-08 |
Family
ID=14895826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12485799A Expired - Fee Related JP4291457B2 (en) | 1999-04-30 | 1999-04-30 | Brake release device for elevator hoisting machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4291457B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003104642A (en) * | 2001-09-28 | 2003-04-09 | Toshiba Elevator Co Ltd | Elevator device and method for releasing brake thereof |
| WO2004089801A1 (en) * | 2003-04-09 | 2004-10-21 | Toshiba Elevator Kabushiki Kaisha | Brake-releasing device for elevator hoist and method of operating the same |
| JP2007153587A (en) * | 2005-12-07 | 2007-06-21 | Mitsubishi Electric Corp | Brake releasing device of elevator hoisting machine |
| JP2009292559A (en) * | 2008-06-03 | 2009-12-17 | Kaho Seisakusho:Kk | Manual lowering device of lift during power failure |
| CN106829784A (en) * | 2017-03-22 | 2017-06-13 | 日立电梯（中国）有限公司 | A kind of foot-operated brake-releasing gear |
-
1999
- 1999-04-30 JP JP12485799A patent/JP4291457B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003104642A (en) * | 2001-09-28 | 2003-04-09 | Toshiba Elevator Co Ltd | Elevator device and method for releasing brake thereof |
| WO2004089801A1 (en) * | 2003-04-09 | 2004-10-21 | Toshiba Elevator Kabushiki Kaisha | Brake-releasing device for elevator hoist and method of operating the same |
| CN100408461C (en) * | 2003-04-09 | 2008-08-06 | 东芝电梯株式会社 | Brake-releasing device for elevator hoist and method of operating the same |
| JP2007153587A (en) * | 2005-12-07 | 2007-06-21 | Mitsubishi Electric Corp | Brake releasing device of elevator hoisting machine |
| JP2009292559A (en) * | 2008-06-03 | 2009-12-17 | Kaho Seisakusho:Kk | Manual lowering device of lift during power failure |
| CN106829784A (en) * | 2017-03-22 | 2017-06-13 | 日立电梯（中国）有限公司 | A kind of foot-operated brake-releasing gear |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4291457B2 (en) | 2009-07-08 |
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